CVE-2026-5459
MEDIUMWordPress User Frontend <= 4.3.1 - Insecure Direct Object Reference
Title source: manualDescription
The User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.3.1 via the payment_page() function due to missing validation on the 'user_id' user controlled key. This makes it possible for unauthenticated attackers to activate a free subscription pack for any user on the site, overwriting their existing paid subscription and causing loss of paid features.
Scores
CVSS v3
5.3
EPSS
0.0018
EPSS Percentile
8.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-639
Status
published
Products (1)
wedevs/User Frontend: AI Powered Frontend Posting, User Directory, Profile Builder, Membership & User Registration
< 4.3.1
Published
Jul 08, 2026
Tracked Since
Jul 08, 2026